Answer the following problems. The output of this exercise should be in the order of (problem, code, output)in MATLAB command. - Calculatethe following:a. The roots of P₁ = s6 +785 +2s¹ +9s³ + 10s² +12s + 15b. The roots of P₂ = s6 +985 +8s¹ +9s²³ +12s² +15s + 20c. P3 = P₁ + P₂;d. P₁ = P₁ = P₂e. P₁ = P₁ P₂

Use the roots function in MATLAB to calculate the roots

Answered: Calculate the following: a. The roots…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during the last 12 months were as follows: Month January February March April May June Price Per Chip $1.80 $1.67 $1.70 $1.85 $1.90 $1.87 Month July August September October November December Price Per Chip $1.80 $1.83 $1.70 $1.65 This exercise contains only parts a, b, and c. a) Using a 2-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): $1.70 $1.75 Month Mar Apr May Jun Jul Aug Sep Oct Nov Dec Forecast $1.74 1.69 1.78 1.88 1.89 1.84 1.82 1.77 1.68 1.68 b) Using a 3-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Apr May Jun Jul Aug Forecast $1.72 1.74 1,82 1.87 Sep Oct Nov Dec 1.86 1.83 1.78 1.73 1.68 c) The mean absolute deviation based on a 2-month moving average of March through December is $ (round your response to three decimal places).
Jack is an aspiring freshman at Ulern University. He realizes that ”all work and no play makeJack a dull boy.” As a result, Jack wants to apportion his available time of about 10 hours aday between work and play. He estimates that play is twice as much fun as work. He also wantsto study at least as much as he plays. However, Jack realizes that if he is going to get all hishomework assignments done, he cannot play more than 4 hours a day. How should Jack allocatehis time to maximize his pleasure from both work and play?
write a code computing the following using OCTAVE GNU
calculator: b) log, (log, 125) d) (log, 128)(log4 256) ) log, 82 – log, 49 + log, 1 0-2og, 3 – log, 40 545 h) log,36 + log – log,81 1 000 -Mog, 3 – 3log, 2 log 25 j) log 0,2 1) log, 64 – log, 16 log, 256 – log, 1 log 500 – log 5 n) log 0,001 loming logarithmic expressions a p) log, (28 + 4) – log, 128
Research has shown that losing even one night's sleep can have a significant effect on performance of complex tasks, such as problem solving (Linde & Bergstroem, 1992). To demonstrate this phenomenon, a sample of n = 25 college students was given a problem-solving task at noon on one day and again at noon on the following day. The students were not permitted any sleep between the two tests. For each student, the difference between the first and second score was recorded. For this sample, the students averaged Mp = 4.7 points better on the fırst test with a variance of s² = 64 for the difference scores. a. Do the data indicate a significant change in problem-solving ability? Use a two-tailed test with a = .05. (1) Ho: (Select] [ Select ] [ Select ] H1: [ Select ] [ Select ] [ Select ] (2) a = [Select] df = (Select) Critical region boundary/boundaries: ( Select ] [ Select ] (3) Estimated Standard Error = [ Select ) ( Select ] [ Select ] (4) | [ Select] b. Compute an estimated Cohen's d…
The boxplots show data for state and local community expenditures on police and fire protection. Police Estimate Q,, Q2, and Q, for police and fire protection spending.. Fire 0.5 1 1.5 2 25 3 3.5 Billions of Dollars Q, for police spending is (Round to one decimal place as needed.) Q, for police spending is O (Round to one decimal place as needed.) Q, for police spending is (Round to one decimal place as needed.) Q, for fire protection spending is (Round to one decimal place as needed.) Q, for fire protection spending is (Round to one decimal place as needed.) Q, for fire protection spending is (Round to one decimal place as needed.)
Q5: A Company produce three products, each of which must be processed through three different departments. Table summaries the hours required per unit of each product in each department. In additional, the weekly capacities are stated for each department in terms of work-hours available. What is desired is to determine whether there are any combinations of the three products which would exhaust the weekly capacities of the three departments. Department Product 1 Product 2 Product 3 Hours Available per week A 2 3.5 3 2 1,200 1,150 В 3 2.5 4 3 2 1,400 (Note: Solve the system of linear equations by using Cramer's rule).
An inventor has developed a system that allows visitors to museums, zoos, and other attractions to get information at the touch of a digital code. For example, zoo patrons can listen to an announcement (recorded on a microchip) about each animal they see. It is anticipated that the device would rent for $3.00 each. The installation cost for the complete system is expected to be about $400,000. The Milwaukee Zoo is interested in having the system installed, but management is uncertain about whether to take the risk. A financial analysis of the problem indicates that if more than 10% of the Zoo visitors rent the system the zoo will make a profit. To help make the decision, a sample of 400 zoo visitors is given details of the system’s capabilities and cost. Forty eight people say they would rent the device. c). Estimate the actual percentage of the visitors who would rent the system using a 98% confidence interval using Minitab.
Answer iii and iv Ensure that you show all workings and explain each step in the computation.
Research has shown that losing even one night's sleep can have a significant effect on performance of complex tasks, such as problem solving (Linde & Begrstroem, 1992). To demonstrate this phenomenon, one sample of n=25 college students was given a problem-solving task at noon on one day and again at noon on the following day. The students were not permitted any sleep between the two tests. For each student, the difference between the first and second scores was recorded. For this sample, the students averaged MD=4.7 points better on the first test with a variance of s^2=64 for the different scores. 1. State the hypotheses both experimental and statistical. 2. Do the data indicate a significant decline in problem-solving ability? Use a one-tailed test with a=.01. Please show work and state your decision regarding the H0. 3. Compute a 90% Confidence Interval (upper and lower values). 4. State your conclusion in APA format.
QUESTION 2 Jim wants to buy a computer. The total cost is $1,180. If he can save $60 a month, how long will it take for him to save up for the computer? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 14px !!
Mr. Montes is writing a short, three-question, true or false quiz for his Algebra 2 classes. He had planned on using a random answer generator to determine which of true or false would be the correct answer for each quiz question, but his internet is not working. Instead, he writes each possible answer combination on a small slip of paper, folds each paper in half, and then places them in a box. Without looking, he draws one of the slips of paper 2. List the outcomes in the sample space. Let T = True and F = False.

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Calculate the following: a. The roots of P₁ = s6 +7s5 +2s¹ +9s³ +10s² +12s + 15 b. The roots of P₂ = s6 +985 +85² +9s³ +12s² +15s + 20 c. P3 = P₁+ P₂; d. P₁= P₁ P₂ e. P5 = P₁ P₂